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442253016 = 233223299209
BaseRepresentation
bin11010010111000…
…011111011011000
31010211011210002100
4122113003323120
51401204044031
6111515003400
713650042252
oct3227037330
91124153070
10442253016
11207705267
12104139560
137081679a
1442a42cd2
1528c5cde6
hex1a5c3ed8

442253016 has 96 divisors (see below), whose sum is σ = 1293084000. Its totient is φ = 136131072.

The previous prime is 442252991. The next prime is 442253017. The reversal of 442253016 is 610352244.

It is a super-2 number, since 2×4422530162 = 391175460322192512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442253017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43420 + ... + 52628.

It is an arithmetic number, because the mean of its divisors is an integer number (13469625).

Almost surely, 2442253016 is an apocalyptic number.

442253016 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442253016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646542000).

442253016 is an abundant number, since it is smaller than the sum of its proper divisors (850830984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442253016 is a wasteful number, since it uses less digits than its factorization.

442253016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273 (or 9266 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 442253016 is about 21029.8125526596. The cubic root of 442253016 is about 761.8864815292.

The spelling of 442253016 in words is "four hundred forty-two million, two hundred fifty-three thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 29 36 46 58 69 72 87 92 116 138 174 184 207 232 261 276 348 414 522 552 667 696 828 1044 1334 1656 2001 2088 2668 4002 5336 6003 8004 9209 12006 16008 18418 24012 27627 36836 48024 55254 73672 82881 110508 165762 211807 221016 267061 331524 423614 534122 635421 663048 801183 847228 1068244 1270842 1602366 1694456 1906263 2136488 2403549 2541684 3204732 3812526 4807098 5083368 6142403 6409464 7625052 9614196 12284806 15250104 18427209 19228392 24569612 36854418 49139224 55281627 73708836 110563254 147417672 221126508 442253016